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    • 53. 发明申请
    • MEMBRANE ELECTROLYZER AND HEMODIALYSIS SYSTEM USING THE SAME
    • 使用相同的膜电解质和血液透析系统
    • WO2011140389A3
    • 2012-05-10
    • PCT/US2011035419
    • 2011-05-05
    • TECH BIOMEDICAL INC CBRAIG JAMES
    • BRAIG JAMES
    • A61M1/16A61M1/34
    • B01D61/44A61M1/1696
    • A sorbent hemodialysis system includes a dialyzer configured to receive a flow of clean dialysate from a reservoir and to output an unclean dialysate flow. The system also includes a sorbent component having a urease section and a sorbent section through which the unclean dialysate flow from the dialyzer passes, wherein the sorbent component removes urea from the dialysate. The system further comprises a membrane electrolyzer that receives at least a portion of said clean dialysate flow and separates the dialysate flow into an acidic component flow and a base component flow. A mixing conduit combines the base component flow from the membrane electrolyzer and an output dialysate solution from the urease section of the sorbent component to separate the dialysate solution into an ammonia gas amount and ammonia liquid amount. A gas vent is used to vent the ammonia gas amount, and the sorbent section with a suitable amount of zirconium phosphate (ZrP) removes the ammonia liquid amount from the unclean dialysate flow before flowing the clean dialysate to the reservoir. The system can further include a second mixing conduit upstream of the sorbent section of the sorbent component, the second mixing conduit combining the acidic component flow and the ammonia liquid amount in the dialysate solution to increase the pH of the dialysate solution to about 7.5 prior to returning to the reservoir.
    • 吸附剂血液透析系统包括透析器,其构造成从储存器接收干净的透析液流并输出不洁净的透析液流。 该系统还包括具有尿素酶部分和吸附剂部分的吸附剂组分,来自透析器的不洁透析液流过该吸附剂部分,其中吸附剂组分从透析液中除去尿素。 所述系统还包括膜电解器,其接收所述清洁透析液流的至少一部分,并将透析液流分离成酸性组分流和碱组分流。 混合导管结合来自膜电解器的基础组分流和来自吸附剂组分的脲酶部分的输出透析液,将透析液分离成氨气量和氨液量。 使用排气口排出氨气量,并且使用适量的磷酸锆(ZrP)的吸附剂部分从清洁的透析液流中除去氨液体量,然后将清洁的透析液流入储存器。 该系统还可以包括在吸附剂组分的吸附剂部分上游的第二混合管道,第二混合管道将酸性组分流和氨液体量结合在透析液中,以将透析液的pH值增加至约7.5,然后 回到水库。
    • 57. 发明申请
    • METHOD AND APPARATUS FOR ESTIMATION OF RESTING RESPIRATORY QUOTIENT
    • 用于估计呼吸呼吸量的方法和装置
    • WO2005051188A1
    • 2005-06-09
    • PCT/US2004/039141
    • 2004-11-22
    • BRAIG, James, R.
    • BRAIG, James, R.
    • A61B5/00
    • A61B5/083
    • A method and apparatus for determining a user's Respiratory Quotient (RQ) using just measured O 2 and CO 2 concentrations without use of a flow meter. The RQ is determined by measuring the user's real-time inspired O 2 concentration (INS O2) and end tidal O 2 concentration (ETO2) and measuring the user's real-time inspired CO 2 concentration (INS CO2) and end tidal CO 2 concentration (ETCO2), and then determining the user's RQ from the measured INS O2, ETO2, INS CO2, and ETCO2 values in accordance with the following equation: RQ= (ETCO2 - INS CO2) / (INS O2 - ETO2). In order to avoid error introduced by the flow rate, the measurement steps are preferably performed while the user is in a resting condition. Also, ETCO2 is preferably measured as the maximum CO 2 value in a breath cycle of the user, while INS CO2 is preferably measured as the minimum CO 2 value in a breath cycle of the user. Similarly, ETO2 is preferably measured as the minimum O 2 value within a breath cycle of the user, while INS O2 is measured as the maximum O 2 value within a breath cycle of the user. On the other hand, the values of INS CO2 and ETCO2 also may be determined in accordance with the invention by analysis of a CO 2 waveform of a breath cycle of the user and the values of INS O2 and ETO2 determined by synchronizing timing of the O 2 waveform of a breath cycle of the user with the CO 2 waveform and sampling INS O2 and ETO2 values simultaneously with sampling of complementary CO 2 values determined by analysis of the CO 2 waveform. The RQ measuring device may include the oxygen and CO 2 sensors in a mainstream or sidestream configuration.
    • 一种使用仅测量的O 2和CO 2浓度而不使用流量计来确定用户呼吸商(RQ)的方法和装置。 RQ通​​过测量用户实时启发的O2浓度(INS O2)和结束潮汐O2浓度(ETO2)和测量用户的实时启发CO2浓度(INS CO2)和最终潮汐CO 2浓度(ETCO2)来确定,以及 然后根据以下等式从测量的INS O2,ETO2,INS CO2和ETCO2值确定用户的RQ:RQ =(ETCO2-INS CO2)/(INSO2-ETO2)。 为了避免由流量引入的误差,优选在用户处于静止状态的同时进行测量步骤。 此外,ETCO2优选地被测量为使用者的呼吸周期中的最大CO 2值,而INS CO 2优选地被测量为用户的呼吸周期中的最小CO 2值。 类似地,ETO2优选地被测量为用户呼吸周期内的最小O2值,而INS O2被测量为用户呼吸周期内的最大O2值。 另一方面,也可以根据本发明通过分析用户的呼吸周期的二氧化碳波形和通过同步O 2波形的时间确定的INS O2和ETO2的值来确定INS CO 2和ETCO 2的值 的呼吸循环用户的CO2波形,并采样INS O2和ETO2值与通过分析CO2波形确定的互补CO 2值的采样同时进行。 RQ测量装置可以包括主流或侧流配置中的氧气和二氧化碳传感器。